Re: [Qemu-devel] [PATCH v4 2/3] block/archipelago: Add support for creating images

[Stefan Hajnoczi]

On Thu, Jun 19, 2014 at 05:48:47PM +0300, Chrysostomos Nanakos wrote:
> +static int qemu_archipelago_create_volume(Error **errp, const char *volname,
> +                                          uint64_t size, xport mportno,
> +                                          xport vportno)
> +{
> +    int ret, targetlen;
> +    struct xseg *xseg = NULL;
> +    struct xseg_request *req;
> +    struct xseg_request_clone *xclone;
> +    struct xseg_port *port;
> +    xport srcport = NoPort, sport = NoPort;
> +    char *target;
> +
> +    /* Try default values if none has been set */
> +    if (mportno == (xport) -1) {
> +        mportno = 1001;
> +    }
> +
> +    if (vportno == (xport) -1) {
> +        vportno = 501;
> +    }
> +
> +    if (xseg_initialize()) {
> +        error_setg(errp, "Cannot initialize XSEG");
> +        return -1;
> +    }
> +
> +    xseg = xseg_join((char *)"posix", (char *)"archipelago",
> +                     (char *)"posixfd", NULL);
> +
> +    if (!xseg) {
> +        error_setg(errp, "Cannot join XSEG shared memory segment");
> +        return -1;
> +    }
> +
> +    port = xseg_bind_dynport(xseg);
> +    srcport = port->portno;
> +    init_local_signal(xseg, sport, srcport);
> +
> +    req = xseg_get_request(xseg, srcport, mportno, X_ALLOC);
> +    if (!req) {
> +        error_setg(errp, "Cannot get XSEG request");
> +        return -1;

xseg_leave() is missing.

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